Buyin' a stairway to heaven cause in time we all have to die

He’s preparing for death, in a sense. He’s expecting death living in a place like Chicago, so much like how someone would buy a bunker for an impending storm of for nuclear fallout, Mensa is buying a stairway to heaven. This can mean two things. He could be making money and actually be able to afford something impossibly luxurious like that, and/or he can be reconciling with God, and making sure that he’ll get into heaven when the time comes.